./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/invert_string-3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/invert_string-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ca98535e808a51f7cfa7d21c9d33f259821212a6554e27f29c2bddd9197c0249 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:19:36,982 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:19:37,069 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-13 15:19:37,079 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:19:37,080 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:19:37,118 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:19:37,118 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:19:37,119 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:19:37,122 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:19:37,122 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:19:37,123 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:19:37,123 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:19:37,124 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:19:37,124 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-13 15:19:37,124 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-13 15:19:37,124 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-13 15:19:37,124 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-13 15:19:37,124 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-13 15:19:37,124 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-13 15:19:37,124 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:19:37,125 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-13 15:19:37,125 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:19:37,125 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:19:37,125 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:19:37,125 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:19:37,125 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-13 15:19:37,125 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-13 15:19:37,125 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-13 15:19:37,125 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:19:37,125 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:19:37,126 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:19:37,126 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:19:37,126 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-13 15:19:37,127 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:19:37,127 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:19:37,128 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:19:37,128 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:19:37,128 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:19:37,128 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-13 15:19:37,128 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca98535e808a51f7cfa7d21c9d33f259821212a6554e27f29c2bddd9197c0249 [2024-11-13 15:19:37,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:19:37,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:19:37,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:19:37,502 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:19:37,502 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:19:37,505 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/loops/invert_string-3.c Unable to find full path for "g++" [2024-11-13 15:19:39,348 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:19:39,649 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:19:39,650 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/sv-benchmarks/c/loops/invert_string-3.c [2024-11-13 15:19:39,661 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/data/32dfcf304/bfa11e980375402eaa8dac6789816c6b/FLAGab302ea61 [2024-11-13 15:19:39,682 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/data/32dfcf304/bfa11e980375402eaa8dac6789816c6b [2024-11-13 15:19:39,685 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:19:39,686 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:19:39,688 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:19:39,688 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:19:39,693 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:19:39,694 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:19:39" (1/1) ... [2024-11-13 15:19:39,695 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1af73f1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:19:39, skipping insertion in model container [2024-11-13 15:19:39,695 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:19:39" (1/1) ... [2024-11-13 15:19:39,712 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:19:39,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:19:39,950 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:19:39,979 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:19:39,997 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:19:39,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:19:39 WrapperNode [2024-11-13 15:19:39,998 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:19:39,999 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:19:40,000 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:19:40,000 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:19:40,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:19:39" (1/1) ... [2024-11-13 15:19:40,023 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:19:39" (1/1) ... [2024-11-13 15:19:40,049 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2024-11-13 15:19:40,051 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:19:40,053 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:19:40,053 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:19:40,053 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:19:40,065 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:19:39" (1/1) ... [2024-11-13 15:19:40,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:19:39" (1/1) ... [2024-11-13 15:19:40,068 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:19:39" (1/1) ... [2024-11-13 15:19:40,089 INFO L175 MemorySlicer]: Split 8 memory accesses to 3 slices as follows [2, 4, 2]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 3 writes are split as follows [0, 2, 1]. [2024-11-13 15:19:40,092 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:19:39" (1/1) ... [2024-11-13 15:19:40,093 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:19:39" (1/1) ... [2024-11-13 15:19:40,099 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:19:39" (1/1) ... [2024-11-13 15:19:40,106 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:19:39" (1/1) ... [2024-11-13 15:19:40,108 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:19:39" (1/1) ... [2024-11-13 15:19:40,108 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:19:39" (1/1) ... [2024-11-13 15:19:40,110 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:19:40,111 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:19:40,111 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:19:40,111 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:19:40,112 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:19:39" (1/1) ... [2024-11-13 15:19:40,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:19:40,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:40,146 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:19:40,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-13 15:19:40,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:19:40,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 15:19:40,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 15:19:40,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 15:19:40,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 15:19:40,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 15:19:40,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 15:19:40,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-13 15:19:40,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:19:40,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:19:40,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 15:19:40,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 15:19:40,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-13 15:19:40,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 15:19:40,288 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:19:40,290 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:19:40,526 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-13 15:19:40,527 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:19:40,536 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:19:40,537 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 15:19:40,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:19:40 BoogieIcfgContainer [2024-11-13 15:19:40,538 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:19:40,539 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-13 15:19:40,539 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-13 15:19:40,546 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-13 15:19:40,547 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 15:19:40,547 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 03:19:39" (1/3) ... [2024-11-13 15:19:40,549 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@633b19c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 03:19:40, skipping insertion in model container [2024-11-13 15:19:40,549 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 15:19:40,550 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:19:39" (2/3) ... [2024-11-13 15:19:40,552 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@633b19c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 03:19:40, skipping insertion in model container [2024-11-13 15:19:40,552 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 15:19:40,552 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:19:40" (3/3) ... [2024-11-13 15:19:40,553 INFO L333 chiAutomizerObserver]: Analyzing ICFG invert_string-3.c [2024-11-13 15:19:40,631 INFO L299 stractBuchiCegarLoop]: Interprodecural is true [2024-11-13 15:19:40,632 INFO L300 stractBuchiCegarLoop]: Hoare is None [2024-11-13 15:19:40,632 INFO L301 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-13 15:19:40,632 INFO L302 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-13 15:19:40,632 INFO L303 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-13 15:19:40,632 INFO L304 stractBuchiCegarLoop]: Difference is false [2024-11-13 15:19:40,632 INFO L305 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-13 15:19:40,632 INFO L309 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-13 15:19:40,638 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:19:40,659 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2024-11-13 15:19:40,659 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 15:19:40,659 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 15:19:40,665 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-13 15:19:40,665 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-11-13 15:19:40,665 INFO L331 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-13 15:19:40,666 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:19:40,667 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2024-11-13 15:19:40,667 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 15:19:40,667 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 15:19:40,667 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-13 15:19:40,668 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-11-13 15:19:40,677 INFO L745 eck$LassoCheckResult]: Stem: 14#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); 4#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~post7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~post12#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0; 9#L18-2true [2024-11-13 15:19:40,677 INFO L747 eck$LassoCheckResult]: Loop: 9#L18-2true assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 9#L18-2true [2024-11-13 15:19:40,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:19:40,683 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-13 15:19:40,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:19:40,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274882416] [2024-11-13 15:19:40,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:19:40,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:19:40,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:19:40,804 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:19:40,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:19:40,835 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:19:40,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:19:40,838 INFO L85 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2024-11-13 15:19:40,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:19:40,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546647279] [2024-11-13 15:19:40,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:19:40,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:19:40,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:19:40,852 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:19:40,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:19:40,864 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:19:40,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:19:40,866 INFO L85 PathProgramCache]: Analyzing trace with hash 29863, now seen corresponding path program 1 times [2024-11-13 15:19:40,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:19:40,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879432433] [2024-11-13 15:19:40,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:19:40,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:19:40,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:19:40,897 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:19:40,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:19:40,937 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:19:41,597 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 15:19:41,598 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 15:19:41,599 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 15:19:41,599 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 15:19:41,599 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 15:19:41,599 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:19:41,599 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 15:19:41,599 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 15:19:41,600 INFO L132 ssoRankerPreferences]: Filename of dumped script: invert_string-3.c_Iteration1_Lasso [2024-11-13 15:19:41,600 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 15:19:41,600 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 15:19:41,618 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:19:41,626 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:19:41,631 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:19:42,081 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:19:42,085 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:19:42,098 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:19:42,101 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:19:42,104 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:19:42,107 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:19:42,110 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:19:42,113 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:19:42,116 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:19:42,119 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:19:42,123 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:19:42,598 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 15:19:42,603 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 15:19:42,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:19:42,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:42,607 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:19:42,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-13 15:19:42,611 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:19:42,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:19:42,629 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 15:19:42,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:19:42,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:19:42,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:19:42,638 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 15:19:42,639 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 15:19:42,643 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:19:42,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-13 15:19:42,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:19:42,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:42,665 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:19:42,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-13 15:19:42,667 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:19:42,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:19:42,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 15:19:42,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:19:42,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:19:42,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:19:42,681 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 15:19:42,681 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 15:19:42,683 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:19:42,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-13 15:19:42,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:19:42,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:42,697 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:19:42,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-13 15:19:42,699 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:19:42,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:19:42,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:19:42,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:19:42,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:19:42,719 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 15:19:42,719 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 15:19:42,735 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:19:42,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-13 15:19:42,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:19:42,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:42,758 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:19:42,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-13 15:19:42,762 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:19:42,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:19:42,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:19:42,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:19:42,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:19:42,783 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 15:19:42,783 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 15:19:42,790 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:19:42,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-13 15:19:42,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:19:42,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:42,813 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:19:42,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-13 15:19:42,816 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:19:42,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:19:42,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 15:19:42,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:19:42,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:19:42,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:19:42,834 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 15:19:42,834 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 15:19:42,839 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:19:42,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-13 15:19:42,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:19:42,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:42,863 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:19:42,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-13 15:19:42,866 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:19:42,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:19:42,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:19:42,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:19:42,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:19:42,885 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 15:19:42,885 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 15:19:42,891 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:19:42,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-13 15:19:42,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:19:42,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:42,912 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:19:42,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-13 15:19:42,916 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:19:42,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:19:42,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:19:42,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:19:42,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:19:42,940 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 15:19:42,940 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 15:19:42,948 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:19:42,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-13 15:19:42,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:19:42,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:42,970 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:19:42,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-13 15:19:42,979 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:19:43,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:19:43,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:19:43,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:19:43,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:19:43,010 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 15:19:43,011 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 15:19:43,018 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:19:43,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-13 15:19:43,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:19:43,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:43,039 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:19:43,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-13 15:19:43,044 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:19:43,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:19:43,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:19:43,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:19:43,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:19:43,064 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 15:19:43,064 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 15:19:43,071 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:19:43,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-13 15:19:43,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:19:43,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:43,093 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:19:43,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-13 15:19:43,096 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:19:43,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:19:43,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:19:43,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:19:43,112 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:19:43,114 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 15:19:43,115 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 15:19:43,134 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:19:43,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-13 15:19:43,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:19:43,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:43,156 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:19:43,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-13 15:19:43,159 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:19:43,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:19:43,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:19:43,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:19:43,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:19:43,179 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 15:19:43,179 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 15:19:43,186 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:19:43,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-13 15:19:43,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:19:43,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:43,208 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:19:43,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-13 15:19:43,213 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:19:43,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:19:43,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:19:43,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:19:43,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:19:43,232 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 15:19:43,232 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 15:19:43,237 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:19:43,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-13 15:19:43,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:19:43,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:43,258 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:19:43,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-13 15:19:43,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:19:43,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:19:43,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:19:43,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:19:43,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:19:43,292 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 15:19:43,292 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 15:19:43,312 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 15:19:43,346 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2024-11-13 15:19:43,349 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 8 variables to zero. [2024-11-13 15:19:43,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:19:43,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:43,353 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:19:43,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-13 15:19:43,360 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 15:19:43,378 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-13 15:19:43,378 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 15:19:43,379 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, v_rep(select #length ULTIMATE.start_main_~#str1~0#1.base)_1, ULTIMATE.start_main_~#str1~0#1.offset) = -1*ULTIMATE.start_main_~i~0#1 + 1*v_rep(select #length ULTIMATE.start_main_~#str1~0#1.base)_1 - 1*ULTIMATE.start_main_~#str1~0#1.offset Supporting invariants [] [2024-11-13 15:19:43,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-13 15:19:43,449 INFO L156 tatePredicateManager]: 10 out of 10 supporting invariants were superfluous and have been removed [2024-11-13 15:19:43,458 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#str1~0!offset [2024-11-13 15:19:43,463 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 15:19:43,463 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 15:19:43,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:19:43,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:43,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 15:19:43,527 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:19:43,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:43,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 15:19:43,552 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:19:43,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:19:43,593 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-13 15:19:43,596 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:19:43,640 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 40 transitions. Complement of second has 4 states. [2024-11-13 15:19:43,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-13 15:19:43,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:19:43,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 20 transitions. [2024-11-13 15:19:43,662 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 20 transitions. Stem has 2 letters. Loop has 1 letters. [2024-11-13 15:19:43,665 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 15:19:43,665 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 20 transitions. Stem has 3 letters. Loop has 1 letters. [2024-11-13 15:19:43,665 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 15:19:43,666 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 20 transitions. Stem has 2 letters. Loop has 2 letters. [2024-11-13 15:19:43,666 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 15:19:43,666 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 40 transitions. [2024-11-13 15:19:43,668 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-11-13 15:19:43,671 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 12 states and 17 transitions. [2024-11-13 15:19:43,672 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-13 15:19:43,672 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-13 15:19:43,673 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 17 transitions. [2024-11-13 15:19:43,673 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 15:19:43,673 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 17 transitions. [2024-11-13 15:19:43,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 17 transitions. [2024-11-13 15:19:43,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-13 15:19:43,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:19:43,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 17 transitions. [2024-11-13 15:19:43,699 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 17 transitions. [2024-11-13 15:19:43,699 INFO L424 stractBuchiCegarLoop]: Abstraction has 12 states and 17 transitions. [2024-11-13 15:19:43,699 INFO L331 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-13 15:19:43,699 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 17 transitions. [2024-11-13 15:19:43,700 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-11-13 15:19:43,700 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 15:19:43,700 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 15:19:43,700 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-13 15:19:43,700 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-11-13 15:19:43,700 INFO L745 eck$LassoCheckResult]: Stem: 121#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); 122#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~post7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~post12#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0; 116#L18-2 assume !(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296); 117#L18-3 call write~int#1(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296), 1);main_~j~0#1 := 0;main_~i~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296); 119#L26-2 [2024-11-13 15:19:43,701 INFO L747 eck$LassoCheckResult]: Loop: 119#L26-2 assume !!(main_~i~0#1 >= 0);call main_#t~mem6#1 := read~int#1(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#2(main_#t~mem6#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem6#1;main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1; 119#L26-2 [2024-11-13 15:19:43,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:19:43,701 INFO L85 PathProgramCache]: Analyzing trace with hash 925705, now seen corresponding path program 1 times [2024-11-13 15:19:43,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:19:43,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819318706] [2024-11-13 15:19:43,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:19:43,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:19:43,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:44,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:19:44,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:19:44,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819318706] [2024-11-13 15:19:44,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819318706] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:19:44,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:19:44,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:19:44,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549237022] [2024-11-13 15:19:44,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:19:44,345 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-13 15:19:44,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:19:44,346 INFO L85 PathProgramCache]: Analyzing trace with hash 53, now seen corresponding path program 1 times [2024-11-13 15:19:44,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:19:44,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306132420] [2024-11-13 15:19:44,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:19:44,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:19:44,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:19:44,358 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:19:44,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:19:44,370 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:19:44,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:19:44,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:19:44,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:19:44,497 INFO L87 Difference]: Start difference. First operand 12 states and 17 transitions. cyclomatic complexity: 8 Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:19:44,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:19:44,544 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2024-11-13 15:19:44,545 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2024-11-13 15:19:44,545 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2024-11-13 15:19:44,546 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 10 states and 12 transitions. [2024-11-13 15:19:44,546 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-11-13 15:19:44,546 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-11-13 15:19:44,546 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 12 transitions. [2024-11-13 15:19:44,546 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 15:19:44,546 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 12 transitions. [2024-11-13 15:19:44,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 12 transitions. [2024-11-13 15:19:44,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2024-11-13 15:19:44,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.2) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:19:44,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2024-11-13 15:19:44,547 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 12 transitions. [2024-11-13 15:19:44,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:19:44,551 INFO L424 stractBuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2024-11-13 15:19:44,551 INFO L331 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-13 15:19:44,552 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 12 transitions. [2024-11-13 15:19:44,552 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2024-11-13 15:19:44,552 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 15:19:44,552 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 15:19:44,552 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-13 15:19:44,552 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-11-13 15:19:44,553 INFO L745 eck$LassoCheckResult]: Stem: 151#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); 152#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~post7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~post12#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0; 146#L18-2 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 147#L18-2 assume !(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296); 148#L18-3 call write~int#1(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296), 1);main_~j~0#1 := 0;main_~i~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296); 149#L26-2 [2024-11-13 15:19:44,553 INFO L747 eck$LassoCheckResult]: Loop: 149#L26-2 assume !!(main_~i~0#1 >= 0);call main_#t~mem6#1 := read~int#1(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#2(main_#t~mem6#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem6#1;main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1; 149#L26-2 [2024-11-13 15:19:44,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:19:44,553 INFO L85 PathProgramCache]: Analyzing trace with hash 28698605, now seen corresponding path program 1 times [2024-11-13 15:19:44,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:19:44,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273916138] [2024-11-13 15:19:44,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:19:44,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:19:44,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:44,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-13 15:19:44,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:19:44,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:19:44,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273916138] [2024-11-13 15:19:44,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273916138] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:19:44,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1754359327] [2024-11-13 15:19:44,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:19:44,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:19:44,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:44,751 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:19:44,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-13 15:19:44,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:44,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 15:19:44,844 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:19:44,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 15:19:44,901 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 5 [2024-11-13 15:19:44,909 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-11-13 15:19:44,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:19:44,966 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:19:45,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:19:45,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1754359327] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:19:45,378 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:19:45,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-13 15:19:45,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654154446] [2024-11-13 15:19:45,379 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:19:45,379 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-13 15:19:45,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:19:45,379 INFO L85 PathProgramCache]: Analyzing trace with hash 53, now seen corresponding path program 2 times [2024-11-13 15:19:45,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:19:45,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292619973] [2024-11-13 15:19:45,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:19:45,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:19:45,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:19:45,388 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:19:45,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:19:45,395 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:19:45,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:19:45,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 15:19:45,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:19:45,505 INFO L87 Difference]: Start difference. First operand 10 states and 12 transitions. cyclomatic complexity: 5 Second operand has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:19:45,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:19:45,753 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2024-11-13 15:19:45,753 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2024-11-13 15:19:45,754 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2024-11-13 15:19:45,755 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 13 states and 15 transitions. [2024-11-13 15:19:45,756 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-11-13 15:19:45,756 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-11-13 15:19:45,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 15 transitions. [2024-11-13 15:19:45,756 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 15:19:45,756 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 15 transitions. [2024-11-13 15:19:45,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 15 transitions. [2024-11-13 15:19:45,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-13 15:19:45,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:19:45,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2024-11-13 15:19:45,757 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 15 transitions. [2024-11-13 15:19:45,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:19:45,760 INFO L424 stractBuchiCegarLoop]: Abstraction has 13 states and 15 transitions. [2024-11-13 15:19:45,760 INFO L331 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-13 15:19:45,760 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 15 transitions. [2024-11-13 15:19:45,761 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2024-11-13 15:19:45,761 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 15:19:45,762 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 15:19:45,762 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 1, 1, 1, 1] [2024-11-13 15:19:45,762 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-11-13 15:19:45,762 INFO L745 eck$LassoCheckResult]: Stem: 214#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); 215#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~post7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~post12#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0; 208#L18-2 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 209#L18-2 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 210#L18-2 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 217#L18-2 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 216#L18-2 assume !(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296); 213#L18-3 call write~int#1(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296), 1);main_~j~0#1 := 0;main_~i~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296); 211#L26-2 [2024-11-13 15:19:45,763 INFO L747 eck$LassoCheckResult]: Loop: 211#L26-2 assume !!(main_~i~0#1 >= 0);call main_#t~mem6#1 := read~int#1(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#2(main_#t~mem6#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem6#1;main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1; 211#L26-2 [2024-11-13 15:19:45,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:19:45,763 INFO L85 PathProgramCache]: Analyzing trace with hash 263387401, now seen corresponding path program 2 times [2024-11-13 15:19:45,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:19:45,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952861955] [2024-11-13 15:19:45,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:19:45,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:19:45,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:46,121 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:19:46,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:19:46,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952861955] [2024-11-13 15:19:46,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952861955] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:19:46,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1339402685] [2024-11-13 15:19:46,122 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 15:19:46,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:19:46,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:46,124 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:19:46,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-13 15:19:46,221 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 15:19:46,222 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:19:46,223 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 15:19:46,225 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:19:46,314 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:19:46,314 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:19:46,452 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:19:46,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1339402685] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:19:46,453 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:19:46,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 16 [2024-11-13 15:19:46,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229137979] [2024-11-13 15:19:46,453 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:19:46,454 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-13 15:19:46,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:19:46,454 INFO L85 PathProgramCache]: Analyzing trace with hash 53, now seen corresponding path program 3 times [2024-11-13 15:19:46,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:19:46,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876067954] [2024-11-13 15:19:46,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:19:46,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:19:46,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:19:46,462 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:19:46,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:19:46,468 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:19:46,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:19:46,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-13 15:19:46,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2024-11-13 15:19:46,577 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. cyclomatic complexity: 5 Second operand has 16 states, 16 states have (on average 1.1875) internal successors, (19), 16 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:19:46,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:19:46,824 INFO L93 Difference]: Finished difference Result 14 states and 16 transitions. [2024-11-13 15:19:46,824 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 16 transitions. [2024-11-13 15:19:46,825 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2024-11-13 15:19:46,825 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 14 states and 16 transitions. [2024-11-13 15:19:46,825 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-11-13 15:19:46,825 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-11-13 15:19:46,825 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 16 transitions. [2024-11-13 15:19:46,826 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 15:19:46,826 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 16 transitions. [2024-11-13 15:19:46,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 16 transitions. [2024-11-13 15:19:46,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-11-13 15:19:46,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 13 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:19:46,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2024-11-13 15:19:46,827 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 16 transitions. [2024-11-13 15:19:46,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 15:19:46,829 INFO L424 stractBuchiCegarLoop]: Abstraction has 14 states and 16 transitions. [2024-11-13 15:19:46,829 INFO L331 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-13 15:19:46,829 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 16 transitions. [2024-11-13 15:19:46,830 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2024-11-13 15:19:46,830 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 15:19:46,830 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 15:19:46,830 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 1, 1, 1, 1] [2024-11-13 15:19:46,830 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-11-13 15:19:46,830 INFO L745 eck$LassoCheckResult]: Stem: 302#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); 303#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~post7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~post12#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0; 296#L18-2 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 297#L18-2 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 298#L18-2 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 306#L18-2 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 305#L18-2 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 304#L18-2 assume !(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296); 301#L18-3 call write~int#1(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296), 1);main_~j~0#1 := 0;main_~i~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296); 299#L26-2 [2024-11-13 15:19:46,831 INFO L747 eck$LassoCheckResult]: Loop: 299#L26-2 assume !!(main_~i~0#1 >= 0);call main_#t~mem6#1 := read~int#1(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#2(main_#t~mem6#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem6#1;main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1; 299#L26-2 [2024-11-13 15:19:46,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:19:46,831 INFO L85 PathProgramCache]: Analyzing trace with hash -424923411, now seen corresponding path program 3 times [2024-11-13 15:19:46,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:19:46,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156650619] [2024-11-13 15:19:46,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:19:46,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:19:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:19:46,855 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:19:46,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:19:46,882 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:19:46,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:19:46,883 INFO L85 PathProgramCache]: Analyzing trace with hash 53, now seen corresponding path program 4 times [2024-11-13 15:19:46,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:19:46,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887254336] [2024-11-13 15:19:46,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:19:46,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:19:46,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:19:46,888 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:19:46,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:19:46,891 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:19:46,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:19:46,892 INFO L85 PathProgramCache]: Analyzing trace with hash -287723831, now seen corresponding path program 1 times [2024-11-13 15:19:46,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:19:46,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142626052] [2024-11-13 15:19:46,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:19:46,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:19:46,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:19:46,936 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:19:46,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:19:46,956 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:19:49,355 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 15:19:49,355 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 15:19:49,355 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 15:19:49,355 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 15:19:49,355 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 15:19:49,355 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:19:49,355 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 15:19:49,355 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 15:19:49,355 INFO L132 ssoRankerPreferences]: Filename of dumped script: invert_string-3.c_Iteration5_Lasso [2024-11-13 15:19:49,355 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 15:19:49,355 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 15:19:49,359 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:19:49,361 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:19:49,373 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:19:49,375 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:19:49,380 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:19:49,385 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:19:49,388 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:19:49,392 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:19:49,395 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:19:49,398 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:19:49,400 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:19:49,402 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:19:49,405 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:19:50,175 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 15:19:50,176 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 15:19:50,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:19:50,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:50,188 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:19:50,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-13 15:19:50,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:19:50,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:19:50,205 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 15:19:50,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:19:50,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:19:50,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:19:50,207 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 15:19:50,207 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 15:19:50,211 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:19:50,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-13 15:19:50,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:19:50,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:50,232 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:19:50,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-13 15:19:50,235 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:19:50,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:19:50,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:19:50,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:19:50,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:19:50,251 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 15:19:50,251 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 15:19:50,257 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:19:50,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-13 15:19:50,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:19:50,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:50,277 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:19:50,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-13 15:19:50,279 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:19:50,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:19:50,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:19:50,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:19:50,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:19:50,296 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 15:19:50,296 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 15:19:50,302 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:19:50,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-13 15:19:50,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:19:50,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:50,322 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:19:50,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-13 15:19:50,326 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:19:50,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:19:50,341 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 15:19:50,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:19:50,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:19:50,341 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:19:50,342 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 15:19:50,342 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 15:19:50,344 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:19:50,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-11-13 15:19:50,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:19:50,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:50,365 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:19:50,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-13 15:19:50,368 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:19:50,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:19:50,382 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 15:19:50,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:19:50,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:19:50,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:19:50,383 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 15:19:50,383 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 15:19:50,386 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:19:50,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-11-13 15:19:50,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:19:50,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:50,407 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:19:50,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-13 15:19:50,411 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:19:50,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:19:50,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:19:50,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:19:50,425 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:19:50,428 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 15:19:50,428 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 15:19:50,434 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:19:50,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-11-13 15:19:50,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:19:50,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:50,455 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:19:50,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-13 15:19:50,458 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:19:50,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:19:50,473 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 15:19:50,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:19:50,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:19:50,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:19:50,474 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 15:19:50,474 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 15:19:50,478 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:19:50,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-11-13 15:19:50,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:19:50,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:50,500 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:19:50,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-13 15:19:50,503 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:19:50,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:19:50,519 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 15:19:50,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:19:50,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:19:50,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:19:50,519 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 15:19:50,520 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 15:19:50,524 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:19:50,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-11-13 15:19:50,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:19:50,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:50,545 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:19:50,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-13 15:19:50,549 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:19:50,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:19:50,564 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 15:19:50,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:19:50,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:19:50,565 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:19:50,565 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 15:19:50,565 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 15:19:50,567 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:19:50,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-11-13 15:19:50,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:19:50,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:50,590 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:19:50,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-13 15:19:50,594 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:19:50,609 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:19:50,609 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 15:19:50,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:19:50,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:19:50,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:19:50,610 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 15:19:50,610 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 15:19:50,614 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:19:50,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-11-13 15:19:50,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:19:50,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:50,635 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:19:50,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-13 15:19:50,639 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:19:50,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:19:50,654 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 15:19:50,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:19:50,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:19:50,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:19:50,655 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 15:19:50,655 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 15:19:50,657 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:19:50,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-11-13 15:19:50,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:19:50,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:50,677 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:19:50,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-13 15:19:50,680 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:19:50,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:19:50,695 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 15:19:50,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:19:50,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:19:50,695 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:19:50,696 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 15:19:50,696 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 15:19:50,698 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:19:50,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-11-13 15:19:50,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:19:50,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:50,718 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:19:50,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-13 15:19:50,723 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:19:50,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:19:50,737 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 15:19:50,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:19:50,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:19:50,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:19:50,737 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 15:19:50,737 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 15:19:50,738 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:19:50,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2024-11-13 15:19:50,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:19:50,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:50,752 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:19:50,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-13 15:19:50,754 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:19:50,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:19:50,765 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 15:19:50,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:19:50,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:19:50,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:19:50,765 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 15:19:50,765 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 15:19:50,767 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:19:50,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-11-13 15:19:50,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:19:50,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:50,789 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:19:50,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-13 15:19:50,792 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:19:50,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:19:50,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:19:50,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:19:50,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:19:50,810 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 15:19:50,810 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 15:19:50,816 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:19:50,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2024-11-13 15:19:50,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:19:50,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:50,838 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:19:50,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-11-13 15:19:50,841 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:19:50,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:19:50,857 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 15:19:50,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:19:50,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:19:50,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:19:50,858 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 15:19:50,858 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 15:19:50,862 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:19:50,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-11-13 15:19:50,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:19:50,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:50,883 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:19:50,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-13 15:19:50,886 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:19:50,901 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:19:50,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:19:50,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:19:50,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:19:50,904 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 15:19:50,904 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 15:19:50,910 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:19:50,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2024-11-13 15:19:50,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:19:50,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:50,931 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:19:50,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-11-13 15:19:50,934 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:19:50,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:19:50,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:19:50,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:19:50,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:19:50,952 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 15:19:50,952 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 15:19:50,957 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:19:50,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2024-11-13 15:19:50,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:19:50,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:50,979 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:19:50,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-11-13 15:19:50,982 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:19:50,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:19:50,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:19:50,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:19:50,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:19:51,001 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 15:19:51,001 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 15:19:51,007 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:19:51,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2024-11-13 15:19:51,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:19:51,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:51,029 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:19:51,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-11-13 15:19:51,032 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:19:51,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:19:51,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:19:51,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:19:51,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:19:51,050 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 15:19:51,050 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 15:19:51,054 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:19:51,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2024-11-13 15:19:51,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:19:51,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:51,074 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:19:51,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-11-13 15:19:51,077 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:19:51,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:19:51,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 15:19:51,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:19:51,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:19:51,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:19:51,093 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 15:19:51,093 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 15:19:51,094 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:19:51,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2024-11-13 15:19:51,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:19:51,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:51,112 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:19:51,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-11-13 15:19:51,113 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:19:51,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:19:51,125 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 15:19:51,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:19:51,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:19:51,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:19:51,125 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 15:19:51,125 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 15:19:51,129 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:19:51,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2024-11-13 15:19:51,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:19:51,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:51,150 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:19:51,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-11-13 15:19:51,155 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:19:51,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:19:51,166 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 15:19:51,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:19:51,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:19:51,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:19:51,166 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 15:19:51,166 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 15:19:51,170 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:19:51,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2024-11-13 15:19:51,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:19:51,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:51,189 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:19:51,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-11-13 15:19:51,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:19:51,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:19:51,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:19:51,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:19:51,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:19:51,204 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 15:19:51,204 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 15:19:51,208 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:19:51,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2024-11-13 15:19:51,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:19:51,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:51,222 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:19:51,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-11-13 15:19:51,226 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:19:51,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:19:51,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:19:51,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:19:51,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:19:51,240 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 15:19:51,240 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 15:19:51,243 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:19:51,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2024-11-13 15:19:51,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:19:51,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:51,258 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:19:51,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-11-13 15:19:51,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:19:51,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:19:51,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:19:51,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:19:51,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:19:51,278 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 15:19:51,278 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 15:19:51,282 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:19:51,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2024-11-13 15:19:51,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:19:51,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:51,296 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:19:51,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-11-13 15:19:51,298 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:19:51,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:19:51,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:19:51,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:19:51,310 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:19:51,312 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 15:19:51,312 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 15:19:51,317 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:19:51,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2024-11-13 15:19:51,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:19:51,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:51,340 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:19:51,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-11-13 15:19:51,343 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:19:51,359 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:19:51,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:19:51,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:19:51,359 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:19:51,363 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 15:19:51,363 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 15:19:51,372 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 15:19:51,405 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2024-11-13 15:19:51,405 INFO L444 ModelExtractionUtils]: 1 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2024-11-13 15:19:51,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:19:51,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:51,408 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:19:51,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-11-13 15:19:51,410 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 15:19:51,428 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-13 15:19:51,429 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 15:19:51,429 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, v_rep(select #length ULTIMATE.start_main_~#str1~0#1.base)_2) = 2*ULTIMATE.start_main_~i~0#1 + 1*v_rep(select #length ULTIMATE.start_main_~#str1~0#1.base)_2 Supporting invariants [] [2024-11-13 15:19:51,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2024-11-13 15:19:51,483 INFO L156 tatePredicateManager]: 10 out of 10 supporting invariants were superfluous and have been removed [2024-11-13 15:19:51,484 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 15:19:51,484 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 15:19:51,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:19:51,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:51,573 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 15:19:51,574 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:19:51,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2024-11-13 15:19:51,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:51,601 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 15:19:51,601 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:19:51,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:19:51,602 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-13 15:19:51,602 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 16 transitions. cyclomatic complexity: 5 Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:19:51,613 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 16 transitions. cyclomatic complexity: 5. Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 15 states and 18 transitions. Complement of second has 3 states. [2024-11-13 15:19:51,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-13 15:19:51,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:19:51,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 6 transitions. [2024-11-13 15:19:51,617 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 9 letters. Loop has 1 letters. [2024-11-13 15:19:51,617 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 15:19:51,617 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 10 letters. Loop has 1 letters. [2024-11-13 15:19:51,618 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 15:19:51,618 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 9 letters. Loop has 2 letters. [2024-11-13 15:19:51,618 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 15:19:51,618 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2024-11-13 15:19:51,619 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-13 15:19:51,619 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 18 transitions. [2024-11-13 15:19:51,619 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2024-11-13 15:19:51,620 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-11-13 15:19:51,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 18 transitions. [2024-11-13 15:19:51,621 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 15:19:51,621 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 18 transitions. [2024-11-13 15:19:51,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 18 transitions. [2024-11-13 15:19:51,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-13 15:19:51,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.2) internal successors, (18), 14 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:19:51,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2024-11-13 15:19:51,622 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 18 transitions. [2024-11-13 15:19:51,622 INFO L424 stractBuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2024-11-13 15:19:51,622 INFO L331 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-13 15:19:51,622 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 18 transitions. [2024-11-13 15:19:51,623 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-13 15:19:51,623 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 15:19:51,623 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 15:19:51,623 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 1, 1, 1, 1, 1, 1] [2024-11-13 15:19:51,623 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-13 15:19:51,623 INFO L745 eck$LassoCheckResult]: Stem: 418#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); 419#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~post7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~post12#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0; 411#L18-2 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 412#L18-2 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 413#L18-2 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 422#L18-2 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 421#L18-2 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 420#L18-2 assume !(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296); 417#L18-3 call write~int#1(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296), 1);main_~j~0#1 := 0;main_~i~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296); 414#L26-2 assume !(main_~i~0#1 >= 0); 415#L26-3 main_~j~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296);main_~i~0#1 := 0; 408#L32-2 [2024-11-13 15:19:51,623 INFO L747 eck$LassoCheckResult]: Loop: 408#L32-2 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call main_#t~mem9#1 := read~int#1(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call main_#t~mem10#1 := read~int#2(main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_#t~mem9#1 == main_#t~mem10#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 409#L6 assume !(0 == __VERIFIER_assert_~cond#1); 410#L6-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem9#1;havoc main_#t~mem10#1;main_#t~post11#1 := main_~j~0#1;main_~j~0#1 := main_#t~post11#1 - 1;havoc main_#t~post11#1;main_#t~post12#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 408#L32-2 [2024-11-13 15:19:51,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:19:51,624 INFO L85 PathProgramCache]: Analyzing trace with hash -329504205, now seen corresponding path program 1 times [2024-11-13 15:19:51,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:19:51,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423999111] [2024-11-13 15:19:51,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:19:51,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:19:51,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:51,733 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 15:19:51,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:19:51,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423999111] [2024-11-13 15:19:51,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423999111] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:19:51,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:19:51,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:19:51,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706366058] [2024-11-13 15:19:51,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:19:51,734 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-13 15:19:51,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:19:51,735 INFO L85 PathProgramCache]: Analyzing trace with hash 63844, now seen corresponding path program 1 times [2024-11-13 15:19:51,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:19:51,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697294259] [2024-11-13 15:19:51,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:19:51,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:19:51,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:19:51,743 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:19:51,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:19:51,750 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:19:51,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:19:51,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:19:51,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:19:51,865 INFO L87 Difference]: Start difference. First operand 15 states and 18 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:19:51,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:19:51,892 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2024-11-13 15:19:51,892 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. [2024-11-13 15:19:51,893 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-13 15:19:51,893 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 17 transitions. [2024-11-13 15:19:51,893 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-11-13 15:19:51,893 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-11-13 15:19:51,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 17 transitions. [2024-11-13 15:19:51,894 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 15:19:51,894 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 17 transitions. [2024-11-13 15:19:51,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 17 transitions. [2024-11-13 15:19:51,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-13 15:19:51,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 14 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:19:51,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2024-11-13 15:19:51,896 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 17 transitions. [2024-11-13 15:19:51,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:19:51,899 INFO L424 stractBuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2024-11-13 15:19:51,899 INFO L331 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-13 15:19:51,899 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 17 transitions. [2024-11-13 15:19:51,899 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-13 15:19:51,899 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 15:19:51,900 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 15:19:51,900 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:19:51,900 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-13 15:19:51,900 INFO L745 eck$LassoCheckResult]: Stem: 457#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); 458#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~post7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~post12#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0; 450#L18-2 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 451#L18-2 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 452#L18-2 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 461#L18-2 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 460#L18-2 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 459#L18-2 assume !(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296); 456#L18-3 call write~int#1(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296), 1);main_~j~0#1 := 0;main_~i~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296); 453#L26-2 assume !!(main_~i~0#1 >= 0);call main_#t~mem6#1 := read~int#1(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#2(main_#t~mem6#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem6#1;main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1; 454#L26-2 assume !(main_~i~0#1 >= 0); 455#L26-3 main_~j~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296);main_~i~0#1 := 0; 447#L32-2 [2024-11-13 15:19:51,900 INFO L747 eck$LassoCheckResult]: Loop: 447#L32-2 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call main_#t~mem9#1 := read~int#1(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call main_#t~mem10#1 := read~int#2(main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_#t~mem9#1 == main_#t~mem10#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 448#L6 assume !(0 == __VERIFIER_assert_~cond#1); 449#L6-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem9#1;havoc main_#t~mem10#1;main_#t~post11#1 := main_~j~0#1;main_~j~0#1 := main_#t~post11#1 - 1;havoc main_#t~post11#1;main_#t~post12#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 447#L32-2 [2024-11-13 15:19:51,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:19:51,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1624694001, now seen corresponding path program 1 times [2024-11-13 15:19:51,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:19:51,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324725933] [2024-11-13 15:19:51,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:19:51,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:19:51,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:52,154 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 15:19:52,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:19:52,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324725933] [2024-11-13 15:19:52,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324725933] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:19:52,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1042688306] [2024-11-13 15:19:52,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:19:52,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:19:52,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:52,157 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:19:52,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2024-11-13 15:19:52,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:52,272 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 15:19:52,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:19:52,310 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 15:19:52,310 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:19:52,377 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 15:19:52,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1042688306] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:19:52,377 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:19:52,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-13 15:19:52,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816169551] [2024-11-13 15:19:52,378 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:19:52,378 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-13 15:19:52,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:19:52,379 INFO L85 PathProgramCache]: Analyzing trace with hash 63844, now seen corresponding path program 2 times [2024-11-13 15:19:52,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:19:52,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271291260] [2024-11-13 15:19:52,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:19:52,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:19:52,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:19:52,386 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:19:52,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:19:52,393 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:19:52,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:19:52,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 15:19:52,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:19:52,516 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. cyclomatic complexity: 5 Second operand has 10 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:19:52,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:19:52,649 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2024-11-13 15:19:52,649 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 23 transitions. [2024-11-13 15:19:52,650 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-13 15:19:52,651 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 21 states and 23 transitions. [2024-11-13 15:19:52,652 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-11-13 15:19:52,652 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-11-13 15:19:52,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 23 transitions. [2024-11-13 15:19:52,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 15:19:52,652 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 23 transitions. [2024-11-13 15:19:52,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 23 transitions. [2024-11-13 15:19:52,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 18. [2024-11-13 15:19:52,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 17 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:19:52,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2024-11-13 15:19:52,654 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 20 transitions. [2024-11-13 15:19:52,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:19:52,658 INFO L424 stractBuchiCegarLoop]: Abstraction has 18 states and 20 transitions. [2024-11-13 15:19:52,659 INFO L331 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-11-13 15:19:52,659 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 20 transitions. [2024-11-13 15:19:52,660 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-13 15:19:52,660 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 15:19:52,660 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 15:19:52,660 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 4, 1, 1, 1, 1, 1, 1] [2024-11-13 15:19:52,660 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-13 15:19:52,660 INFO L745 eck$LassoCheckResult]: Stem: 580#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); 581#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~post7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~post12#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0; 573#L18-2 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 574#L18-2 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 575#L18-2 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 587#L18-2 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 586#L18-2 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 584#L18-2 assume !(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296); 579#L18-3 call write~int#1(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296), 1);main_~j~0#1 := 0;main_~i~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296); 576#L26-2 assume !!(main_~i~0#1 >= 0);call main_#t~mem6#1 := read~int#1(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#2(main_#t~mem6#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem6#1;main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1; 577#L26-2 assume !!(main_~i~0#1 >= 0);call main_#t~mem6#1 := read~int#1(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#2(main_#t~mem6#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem6#1;main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1; 578#L26-2 assume !!(main_~i~0#1 >= 0);call main_#t~mem6#1 := read~int#1(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#2(main_#t~mem6#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem6#1;main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1; 585#L26-2 assume !!(main_~i~0#1 >= 0);call main_#t~mem6#1 := read~int#1(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#2(main_#t~mem6#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem6#1;main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1; 583#L26-2 assume !(main_~i~0#1 >= 0); 582#L26-3 main_~j~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296);main_~i~0#1 := 0; 570#L32-2 [2024-11-13 15:19:52,660 INFO L747 eck$LassoCheckResult]: Loop: 570#L32-2 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call main_#t~mem9#1 := read~int#1(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call main_#t~mem10#1 := read~int#2(main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_#t~mem9#1 == main_#t~mem10#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 571#L6 assume !(0 == __VERIFIER_assert_~cond#1); 572#L6-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem9#1;havoc main_#t~mem10#1;main_#t~post11#1 := main_~j~0#1;main_~j~0#1 := main_#t~post11#1 - 1;havoc main_#t~post11#1;main_#t~post12#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 570#L32-2 [2024-11-13 15:19:52,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:19:52,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1270775501, now seen corresponding path program 2 times [2024-11-13 15:19:52,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:19:52,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832327276] [2024-11-13 15:19:52,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:19:52,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:19:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:19:53,049 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 15:19:53,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:19:53,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832327276] [2024-11-13 15:19:53,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832327276] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:19:53,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [306229531] [2024-11-13 15:19:53,049 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 15:19:53,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:19:53,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:19:53,051 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:19:53,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2024-11-13 15:19:53,157 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 15:19:53,157 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:19:53,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 15:19:53,159 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:19:53,278 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 15:19:53,279 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:19:53,442 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 15:19:53,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [306229531] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:19:53,443 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:19:53,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 19 [2024-11-13 15:19:53,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807762460] [2024-11-13 15:19:53,443 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:19:53,443 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-13 15:19:53,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:19:53,444 INFO L85 PathProgramCache]: Analyzing trace with hash 63844, now seen corresponding path program 3 times [2024-11-13 15:19:53,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:19:53,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182525778] [2024-11-13 15:19:53,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:19:53,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:19:53,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:19:53,456 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:19:53,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:19:53,469 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:19:53,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:19:53,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-13 15:19:53,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2024-11-13 15:19:53,606 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. cyclomatic complexity: 5 Second operand has 19 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:19:54,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:19:54,107 INFO L93 Difference]: Finished difference Result 35 states and 38 transitions. [2024-11-13 15:19:54,107 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 38 transitions. [2024-11-13 15:19:54,108 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-13 15:19:54,111 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 35 states and 38 transitions. [2024-11-13 15:19:54,111 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2024-11-13 15:19:54,112 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2024-11-13 15:19:54,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 38 transitions. [2024-11-13 15:19:54,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 15:19:54,112 INFO L218 hiAutomatonCegarLoop]: Abstraction has 35 states and 38 transitions. [2024-11-13 15:19:54,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 38 transitions. [2024-11-13 15:19:54,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 23. [2024-11-13 15:19:54,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 22 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:19:54,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2024-11-13 15:19:54,116 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 26 transitions. [2024-11-13 15:19:54,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 15:19:54,118 INFO L424 stractBuchiCegarLoop]: Abstraction has 23 states and 26 transitions. [2024-11-13 15:19:54,118 INFO L331 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-11-13 15:19:54,118 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 26 transitions. [2024-11-13 15:19:54,118 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-13 15:19:54,119 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 15:19:54,119 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 15:19:54,119 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1, 1] [2024-11-13 15:19:54,119 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-13 15:19:54,119 INFO L745 eck$LassoCheckResult]: Stem: 765#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); 766#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~post7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~post12#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0; 758#L18-2 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 759#L18-2 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 760#L18-2 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 772#L18-2 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 771#L18-2 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1;main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 770#L18-2 assume !(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296); 764#L18-3 call write~int#1(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296), 1);main_~j~0#1 := 0;main_~i~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296); 761#L26-2 assume !!(main_~i~0#1 >= 0);call main_#t~mem6#1 := read~int#1(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#2(main_#t~mem6#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem6#1;main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1; 762#L26-2 assume !!(main_~i~0#1 >= 0);call main_#t~mem6#1 := read~int#1(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#2(main_#t~mem6#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem6#1;main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1; 763#L26-2 assume !!(main_~i~0#1 >= 0);call main_#t~mem6#1 := read~int#1(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#2(main_#t~mem6#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem6#1;main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1; 776#L26-2 assume !!(main_~i~0#1 >= 0);call main_#t~mem6#1 := read~int#1(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#2(main_#t~mem6#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem6#1;main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1; 775#L26-2 assume !!(main_~i~0#1 >= 0);call main_#t~mem6#1 := read~int#1(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#2(main_#t~mem6#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem6#1;main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1; 768#L26-2 assume !(main_~i~0#1 >= 0); 767#L26-3 main_~j~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296);main_~i~0#1 := 0; 755#L32-2 [2024-11-13 15:19:54,120 INFO L747 eck$LassoCheckResult]: Loop: 755#L32-2 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call main_#t~mem9#1 := read~int#1(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call main_#t~mem10#1 := read~int#2(main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_#t~mem9#1 == main_#t~mem10#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 756#L6 assume !(0 == __VERIFIER_assert_~cond#1); 757#L6-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem9#1;havoc main_#t~mem10#1;main_#t~post11#1 := main_~j~0#1;main_~j~0#1 := main_#t~post11#1 - 1;havoc main_#t~post11#1;main_#t~post12#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 755#L32-2 [2024-11-13 15:19:54,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:19:54,120 INFO L85 PathProgramCache]: Analyzing trace with hash -739333105, now seen corresponding path program 3 times [2024-11-13 15:19:54,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:19:54,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367574796] [2024-11-13 15:19:54,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:19:54,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:19:54,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:19:54,161 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:19:54,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:19:54,200 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:19:54,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:19:54,201 INFO L85 PathProgramCache]: Analyzing trace with hash 63844, now seen corresponding path program 4 times [2024-11-13 15:19:54,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:19:54,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564299950] [2024-11-13 15:19:54,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:19:54,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:19:54,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:19:54,210 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:19:54,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:19:54,217 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:19:54,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:19:54,218 INFO L85 PathProgramCache]: Analyzing trace with hash -880203114, now seen corresponding path program 1 times [2024-11-13 15:19:54,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:19:54,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445613917] [2024-11-13 15:19:54,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:19:54,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:19:54,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:19:54,322 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:19:54,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:19:54,367 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:20:03,544 WARN L286 SmtUtils]: Spent 9.06s on a formula simplification. DAG size of input: 280 DAG size of output: 213 (called from [L 276] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2024-11-13 15:20:04,536 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 15:20:04,537 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 15:20:04,537 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 15:20:04,537 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 15:20:04,538 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 15:20:04,538 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:20:04,538 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 15:20:04,538 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 15:20:04,538 INFO L132 ssoRankerPreferences]: Filename of dumped script: invert_string-3.c_Iteration9_Lasso [2024-11-13 15:20:04,538 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 15:20:04,538 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 15:20:04,542 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:20:04,545 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:20:04,548 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:20:04,551 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:20:04,554 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:20:04,568 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:20:04,571 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:20:04,574 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:20:04,578 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:20:04,581 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:20:04,584 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:20:04,586 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:20:04,589 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:20:04,591 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 15:20:05,833 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 15:20:05,833 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 15:20:05,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:20:05,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:20:05,838 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:20:05,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-11-13 15:20:05,840 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:20:05,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:20:05,856 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 15:20:05,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:20:05,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:20:05,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:20:05,857 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 15:20:05,857 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 15:20:05,860 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:20:05,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2024-11-13 15:20:05,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:20:05,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:20:05,882 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:20:05,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2024-11-13 15:20:05,885 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:20:05,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:20:05,901 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 15:20:05,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:20:05,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:20:05,901 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:20:05,901 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 15:20:05,901 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 15:20:05,903 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:20:05,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2024-11-13 15:20:05,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:20:05,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:20:05,925 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:20:05,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2024-11-13 15:20:05,929 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:20:05,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:20:05,944 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 15:20:05,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:20:05,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:20:05,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:20:05,945 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 15:20:05,945 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 15:20:05,947 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:20:05,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2024-11-13 15:20:05,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:20:05,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:20:05,968 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:20:05,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2024-11-13 15:20:05,971 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:20:05,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:20:05,987 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 15:20:05,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:20:05,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:20:05,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:20:05,988 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 15:20:05,988 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 15:20:05,991 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:20:06,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2024-11-13 15:20:06,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:20:06,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:20:06,013 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:20:06,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2024-11-13 15:20:06,019 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:20:06,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:20:06,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:20:06,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:20:06,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:20:06,035 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 15:20:06,035 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 15:20:06,038 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:20:06,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2024-11-13 15:20:06,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:20:06,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:20:06,056 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:20:06,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2024-11-13 15:20:06,057 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:20:06,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:20:06,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:20:06,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:20:06,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:20:06,071 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 15:20:06,071 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 15:20:06,075 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:20:06,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2024-11-13 15:20:06,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:20:06,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:20:06,094 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:20:06,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2024-11-13 15:20:06,096 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:20:06,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:20:06,107 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 15:20:06,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:20:06,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:20:06,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:20:06,108 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 15:20:06,108 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 15:20:06,109 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:20:06,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2024-11-13 15:20:06,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:20:06,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:20:06,126 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:20:06,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2024-11-13 15:20:06,128 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:20:06,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:20:06,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 15:20:06,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:20:06,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:20:06,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:20:06,144 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 15:20:06,144 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 15:20:06,146 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:20:06,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2024-11-13 15:20:06,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:20:06,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:20:06,168 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:20:06,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2024-11-13 15:20:06,171 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:20:06,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:20:06,184 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 15:20:06,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:20:06,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:20:06,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:20:06,185 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 15:20:06,185 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 15:20:06,186 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:20:06,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2024-11-13 15:20:06,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:20:06,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:20:06,201 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:20:06,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2024-11-13 15:20:06,203 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:20:06,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:20:06,215 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 15:20:06,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:20:06,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:20:06,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:20:06,215 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 15:20:06,215 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 15:20:06,216 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:20:06,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2024-11-13 15:20:06,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:20:06,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:20:06,230 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:20:06,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2024-11-13 15:20:06,232 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:20:06,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:20:06,243 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 15:20:06,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:20:06,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:20:06,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:20:06,243 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 15:20:06,243 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 15:20:06,244 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:20:06,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2024-11-13 15:20:06,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:20:06,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:20:06,258 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:20:06,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2024-11-13 15:20:06,259 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:20:06,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:20:06,270 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 15:20:06,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:20:06,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:20:06,270 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:20:06,271 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 15:20:06,271 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 15:20:06,272 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:20:06,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2024-11-13 15:20:06,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:20:06,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:20:06,286 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:20:06,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2024-11-13 15:20:06,288 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:20:06,300 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:20:06,300 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 15:20:06,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:20:06,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:20:06,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:20:06,301 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 15:20:06,301 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 15:20:06,302 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:20:06,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2024-11-13 15:20:06,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:20:06,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:20:06,317 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:20:06,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2024-11-13 15:20:06,318 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:20:06,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:20:06,330 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 15:20:06,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:20:06,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:20:06,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:20:06,330 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 15:20:06,330 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 15:20:06,334 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:20:06,351 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2024-11-13 15:20:06,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:20:06,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:20:06,353 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:20:06,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2024-11-13 15:20:06,357 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:20:06,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:20:06,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:20:06,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:20:06,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:20:06,372 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 15:20:06,372 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 15:20:06,377 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:20:06,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2024-11-13 15:20:06,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:20:06,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:20:06,391 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:20:06,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2024-11-13 15:20:06,392 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:20:06,404 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:20:06,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:20:06,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:20:06,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:20:06,406 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 15:20:06,406 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 15:20:06,410 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:20:06,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2024-11-13 15:20:06,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:20:06,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:20:06,427 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:20:06,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2024-11-13 15:20:06,428 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:20:06,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:20:06,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:20:06,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:20:06,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:20:06,441 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 15:20:06,441 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 15:20:06,445 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:20:06,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2024-11-13 15:20:06,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:20:06,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:20:06,458 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:20:06,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2024-11-13 15:20:06,460 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:20:06,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:20:06,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:20:06,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:20:06,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:20:06,474 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 15:20:06,475 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 15:20:06,479 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:20:06,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2024-11-13 15:20:06,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:20:06,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:20:06,493 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:20:06,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2024-11-13 15:20:06,495 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:20:06,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:20:06,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:20:06,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:20:06,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:20:06,508 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 15:20:06,508 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 15:20:06,513 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:20:06,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2024-11-13 15:20:06,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:20:06,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:20:06,534 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:20:06,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2024-11-13 15:20:06,537 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:20:06,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:20:06,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:20:06,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:20:06,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:20:06,554 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 15:20:06,555 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 15:20:06,560 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:20:06,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2024-11-13 15:20:06,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:20:06,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:20:06,581 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:20:06,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2024-11-13 15:20:06,585 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:20:06,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:20:06,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:20:06,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:20:06,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:20:06,600 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 15:20:06,600 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 15:20:06,607 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:20:06,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2024-11-13 15:20:06,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:20:06,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:20:06,625 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:20:06,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2024-11-13 15:20:06,626 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:20:06,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:20:06,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:20:06,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:20:06,638 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:20:06,639 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 15:20:06,639 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 15:20:06,643 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:20:06,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2024-11-13 15:20:06,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:20:06,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:20:06,657 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:20:06,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2024-11-13 15:20:06,659 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:20:06,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:20:06,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:20:06,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:20:06,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:20:06,672 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 15:20:06,672 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 15:20:06,676 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:20:06,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2024-11-13 15:20:06,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:20:06,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:20:06,690 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:20:06,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2024-11-13 15:20:06,692 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:20:06,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:20:06,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:20:06,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:20:06,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:20:06,705 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 15:20:06,705 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 15:20:06,709 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:20:06,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2024-11-13 15:20:06,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:20:06,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:20:06,725 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:20:06,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2024-11-13 15:20:06,727 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:20:06,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:20:06,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:20:06,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:20:06,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:20:06,740 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 15:20:06,740 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 15:20:06,743 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 15:20:06,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2024-11-13 15:20:06,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:20:06,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:20:06,757 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:20:06,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2024-11-13 15:20:06,758 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 15:20:06,770 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 15:20:06,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 15:20:06,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 15:20:06,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 15:20:06,776 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 15:20:06,776 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 15:20:06,790 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 15:20:06,820 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-11-13 15:20:06,820 INFO L444 ModelExtractionUtils]: 1 out of 16 variables were initially zero. Simplification set additionally 11 variables to zero. [2024-11-13 15:20:06,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 15:20:06,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:20:06,823 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 15:20:06,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2024-11-13 15:20:06,825 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 15:20:06,842 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-11-13 15:20:06,842 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 15:20:06,842 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, v_rep(select #length ULTIMATE.start_main_~#str1~0#1.base)_3) = -1*ULTIMATE.start_main_~i~0#1 + 1*v_rep(select #length ULTIMATE.start_main_~#str1~0#1.base)_3 Supporting invariants [1*ULTIMATE.start_main_~#str1~0#1.offset >= 0] [2024-11-13 15:20:06,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2024-11-13 15:20:06,909 INFO L156 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2024-11-13 15:20:06,911 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 15:20:06,912 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 15:20:06,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:20:06,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:06,996 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 15:20:06,997 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:20:07,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:20:07,145 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:20:07,146 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:20:07,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:20:07,181 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2024-11-13 15:20:07,181 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states and 26 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:20:07,234 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states and 26 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 30 transitions. Complement of second has 5 states. [2024-11-13 15:20:07,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-13 15:20:07,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:20:07,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2024-11-13 15:20:07,236 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 16 letters. Loop has 3 letters. [2024-11-13 15:20:07,236 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 15:20:07,236 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 19 letters. Loop has 3 letters. [2024-11-13 15:20:07,237 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 15:20:07,237 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 16 letters. Loop has 6 letters. [2024-11-13 15:20:07,237 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 15:20:07,237 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 30 transitions. [2024-11-13 15:20:07,237 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-13 15:20:07,238 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 0 states and 0 transitions. [2024-11-13 15:20:07,238 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-13 15:20:07,238 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-13 15:20:07,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-13 15:20:07,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 15:20:07,238 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 15:20:07,238 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 15:20:07,238 INFO L424 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 15:20:07,238 INFO L331 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-11-13 15:20:07,238 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-13 15:20:07,238 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-13 15:20:07,238 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-13 15:20:07,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 03:20:07 BoogieIcfgContainer [2024-11-13 15:20:07,247 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-13 15:20:07,247 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:20:07,247 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:20:07,248 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:20:07,288 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:19:40" (3/4) ... [2024-11-13 15:20:07,291 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 15:20:07,292 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:20:07,293 INFO L158 Benchmark]: Toolchain (without parser) took 27606.31ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 119.2MB in the beginning and 178.7MB in the end (delta: -59.5MB). Peak memory consumption was 108.6MB. Max. memory is 16.1GB. [2024-11-13 15:20:07,293 INFO L158 Benchmark]: CDTParser took 1.00ms. Allocated memory is still 167.8MB. Free memory is still 105.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:20:07,293 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.65ms. Allocated memory is still 142.6MB. Free memory was 119.2MB in the beginning and 108.3MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:20:07,293 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.41ms. Allocated memory is still 142.6MB. Free memory was 108.3MB in the beginning and 106.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:20:07,294 INFO L158 Benchmark]: Boogie Preprocessor took 57.48ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 105.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:20:07,294 INFO L158 Benchmark]: RCFGBuilder took 426.76ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 93.6MB in the end (delta: 11.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:20:07,295 INFO L158 Benchmark]: BuchiAutomizer took 26707.52ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 93.2MB in the beginning and 51.3MB in the end (delta: 41.9MB). Peak memory consumption was 70.2MB. Max. memory is 16.1GB. [2024-11-13 15:20:07,298 INFO L158 Benchmark]: Witness Printer took 44.41ms. Allocated memory was 176.2MB in the beginning and 218.1MB in the end (delta: 41.9MB). Free memory was 51.3MB in the beginning and 178.7MB in the end (delta: -127.3MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2024-11-13 15:20:07,300 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.00ms. Allocated memory is still 167.8MB. Free memory is still 105.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 310.65ms. Allocated memory is still 142.6MB. Free memory was 119.2MB in the beginning and 108.3MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.41ms. Allocated memory is still 142.6MB. Free memory was 108.3MB in the beginning and 106.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 57.48ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 105.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 426.76ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 93.6MB in the end (delta: 11.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 26707.52ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 93.2MB in the beginning and 51.3MB in the end (delta: 41.9MB). Peak memory consumption was 70.2MB. Max. memory is 16.1GB. * Witness Printer took 44.41ms. Allocated memory was 176.2MB in the beginning and 218.1MB in the end (delta: 41.9MB). Free memory was 51.3MB in the beginning and 178.7MB in the end (delta: -127.3MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#str1~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 9 terminating modules (6 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 3 locations. One deterministic module has affine ranking function null and consists of 2 locations. One deterministic module has affine ranking function null and consists of 4 locations. 6 modules have a trivial ranking function, the largest among these consists of 19 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 26.6s and 10 iterations. TraceHistogramMax:5. Analysis of lassos took 24.5s. Construction of modules took 0.6s. Büchi inclusion checks took 1.2s. Highest rank in rank-based complementation 3. Minimization of det autom 9. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 15 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 151 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 149 mSDsluCounter, 121 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 64 mSDsCounter, 116 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 348 IncrementalHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 116 mSolverCounterUnsat, 57 mSDtfsCounter, 348 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU6 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital227 mio100 ax100 hnf100 lsp92 ukn64 mio100 lsp28 div226 bol100 ite100 ukn100 eq151 hnf93 smp69 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 39ms VariablesStem: 2 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-13 15:20:07,310 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Exception during sending of exit command (exit): Stream Closed [2024-11-13 15:20:07,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2024-11-13 15:20:07,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Ended with exit code 0 [2024-11-13 15:20:07,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Forceful destruction successful, exit code 0 [2024-11-13 15:20:07,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-13 15:20:08,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-13 15:20:08,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f296bd0d-b3d4-4b6b-9068-a7aaa8d7860c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE